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Which statement describes the energy changes that occur as bonds are broken and formed during a chemical reaction?
Energy is absorbed when bonds are broken, and energy is released when bonds are formed.
NH3
18 liters of Ar(g)
higher entropy and lower energy
600. K and 50. kPa
stronger hydrogen bonding in water
thermal, chemical, electromagnetic
oxygen
Which formula represents an asymmetrical molecule?
Energy is absorbed when bonds are broken, and energy is released when bonds are formed.
NH3
18 liters of Ar(g)
higher entropy and lower energy
600. K and 50. kPa
stronger hydrogen bonding in water
thermal, chemical, electromagnetic
oxygen
At which temperature and pressure would a sample of helium behave most like an ideal gas?
Energy is absorbed when bonds are broken, and energy is released when bonds are formed.
NH3
18 liters of Ar(g)
higher entropy and lower energy
600. K and 50. kPa
stronger hydrogen bonding in water
thermal, chemical, electromagnetic
oxygen
In terms of entropy and energy, systems in nature tend to undergo changes toward
Energy is absorbed when bonds are broken, and energy is released when bonds are formed.
NH3
18 liters of Ar(g)
higher entropy and lower energy
600. K and 50. kPa
stronger hydrogen bonding in water
thermal, chemical, electromagnetic
oxygen
Which sample at STP has the same number of atoms as 18 liters of Ne(g) at STP?
Energy is absorbed when bonds are broken, and energy is released when bonds are formed.
NH3
18 liters of Ar(g)
higher entropy and lower energy
600. K and 50. kPa
stronger hydrogen bonding in water
thermal, chemical, electromagnetic
oxygen
Which list includes three forms of energy?
Energy is absorbed when bonds are broken, and energy is released when bonds are formed.
NH3
18 liters of Ar(g)
higher entropy and lower energy
600. K and 50. kPa
stronger hydrogen bonding in water
thermal, chemical, electromagnetic
oxygen
Based on Table S, an atom of which element has the strongest attraction for electrons in a chemical bond?
Energy is absorbed when bonds are broken, and energy is released when bonds are formed.
NH3
18 liters of Ar(g)
higher entropy and lower energy
600. K and 50. kPa
stronger hydrogen bonding in water
thermal, chemical, electromagnetic
oxygen
Compared to H2S, the higher boiling point of H 2O is due to the
Energy is absorbed when bonds are broken, and energy is released when bonds are formed.
NH3
18 liters of Ar(g)
higher entropy and lower energy
600. K and 50. kPa
stronger hydrogen bonding in water
thermal, chemical, electromagnetic
oxygen
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